Monthly Climate Summary for August 2008 at Hampstead  
                        home daily
        An exceptional shortage of sunshine; frequent rain; cool days and warm nights   back forward
                       
Overall mean temperature was 16.9 ēC which is -0.3 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 20.3 ēC              
Mean night minimum (21-09) was 13.7 ēC              
Mean 24hr maximum (09-09) was 20.3 ēC which is -1.5 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 13.6 ēC which is +1.0 degC compared with the 1971-2000 average
  Highest day max was 25.4 ēC on  the   30          
  Lowest day max was 16.8 ēC on  the 13          
  Highest night min was 17.1 ēC on  the 29          
  Lowest night min was 8.8 ēC on  the 23          
  Lowest grass min was 5.1 ēC on  the 23          
                       
Total rainfall this month was 97.2 mm which is 156.8 per  cent of the 1971-2000 average  
  Highest daily fall was 35.2 mm on  the 31          
Number of hours with rain was 73.0 hrs              
Equiv. TSR rainfall duration was 51.1 hrs which is 150.3 per  cent of the 1971-2000 average  
  Highest no of wet hrs 11.0 hrs on  the 9          
  Highest equiv duration 9.1 hrs on  the 9          
Mean rainfall intensity 1.90 mm/h              
                       
Total sunshine this month was 97.1 hrs which is 56.5 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 106.8 hrs which is 56.5 per  cent of the 1971-2000 average  
  Highest daily sun was 8.1 hrs on  the 15          
                       
Maximum  snow depth  was 0.0 cm on the            
                       
Mean sea-level pressure at 09Z 1011.9 mbar which is -4.4 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1022.8 mbar on  the 27          
  Lowest  pressure at 09Z 989.9 mbar on  the 12          
                       
Number of days with:                    
Air Frost 0   0.2mm rain 20   No  sun 2   Snow lying 0  
Grnd Frost 0   1.0mm 17   3h  sun 16   Snow/sleet 0  
Max < 0ēC 0   5mm 5   6h  sun 3   Hail 0  
Max > 10 31   10mm 1   9h  sun 0   Thunder 1  
Max > 20 17   25mm 1   12h sun 0   Fog at 09Z 0  
Max > 30 0         15h sun 0   Gale 0  
                       
Notable events during the month: